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6 K + 2 S = K6S2
Na2SIO3 + NH4Cl + H2O = NaCl + NH4OH + H2SIO3 =>
Na2SIO3 + 2 NH4Cl + 2 H2O = 2 NaCl + 2 NH4OH + H2SIO3
Pb(OH)4 + NaOH = Na2PbO3 + H2O =>
Pb(OH)4 + 2 NaOH = Na2PbO3 + 3 H2O
Na2[Fe(OH)4] = FeO + NaOH + H2O =>
Na2[Fe(OH)4] = FeO + 2 NaOH + H2O
H2SO4 + AlOH3 = AlSO4 + H2OH3 =>
H2SO4 + AlOH3 = AlSO4 + H2OH3
Na2SO4 + Ca(Br)2 = Ca2(SO4)2 + Br2Na2 =>
2 Na2SO4 + 2 Ca(Br)2 = Ca2(SO4)2 + 2 Br2Na2
HNO2 + Mg = MgN2O4 + H2 =>
2 HNO2 + Mg = MgN2O4 + H2
Ca(CO3)2 + Ba(SO4)2 = Ca(SO4)2 + Ba(CO3)2 =>
Ca(CO3)2 + Ba(SO4)2 = Ca(SO4)2 + Ba(CO3)2
Na2ZnO2 + HBr = ZnBr2 + NaBr + H2O =>
Na2ZnO2 + 4 HBr = ZnBr2 + 2 NaBr + 2 H2O
(a)Fe + O2 = FeO =>
2(a)Fe + O2 = 2 FeO
BrCl + NH3 = NBr3 + NH4Cl =>
3 BrCl + 4 NH3 = NBr3 + 3 NH4Cl
HClO3 + KCl = KClO3 + HClO =>
3 HClO3 + 2 KCl = 2 KClO3 + 3 HClO
KOH + Cu(NO3)3 = KNO3 + Cu(OH)3 =>
3 KOH + Cu(NO3)3 = 3 KNO3 + Cu(OH)3
(RCOO)2Ca + Na3PO4 = RCOONa + (Ca)3(PO4)2 =>
3(RCOO)2Ca + 2 Na3PO4 = 6 RCOONa + (Ca)3(PO4)2
Na2S2O3 = S + Na2S + Na2SO4 =>
4 Na2S2O3 = 4 S + Na2S + 3 Na2SO4
NaBr(s) + Cl2(aq) = NaCl(aq) + Br2(aq) =>
2 NaBr(s) + Cl2(aq) = 2 NaCl(aq) + Br2(aq)
Bi + HClO4 = Bi2O4 + HCl =>
2 Bi + HClO4 = Bi2O4 + HCl
MnO4{-}1 + I{-}1 + H{+} = Mn{+} + I2 + H2O =>
MnO4{-}1 + 6 I{-}1 + 8 H{+} = Mn{+} + 3 I2 + 4 H2O
C2H5OH + H2SO4 = H2SO4C2H5OC2H5 + H2O =>
2 C2H5OH + H2SO4 = H2SO4C2H5OC2H5 + H2O
Li3N + MgCl2 = LiCl + Mg3N2 =>
2 Li3N + 3 MgCl2 = 6 LiCl + Mg3N2
HCl(aq) + Sr(OH)2(aq) = SrCl2(aq) + H2O =>
2 HCl(aq) + Sr(OH)2(aq) = SrCl2(aq) + 2 H2O
NaH + BCl3 = NaCl + Na(BH4) =>
4 NaH + BCl3 = 3 NaCl + Na(BH4)
C2H3NaO2 + CH3COOH = C2H4NaO2{+} + CH3COO{-}{-} =>
C2H3NaO2 + CH3COOH = C2H4NaO2{+} + CH3COO{-}{-}
CuO + Na = Cu + Na2O2 =>
2 CuO + 2 Na = 2 Cu + Na2O2
K2C2O4 + KMnO4 + H2O = K2CO3 + KHCO3 + MnO2 =>
3 K2C2O4 + 2 KMnO4 + 2 H2O = 2 K2CO3 + 4 KHCO3 + 2 MnO2
C8H6 + O2 = CO2 + H2O =>
2 C8H6 + 19 O2 = 16 CO2 + 6 H2O
Fe + Cr2O3 + O2 = FeCr2O4 =>
2 Fe + 2 Cr2O3 + O2 = 2 FeCr2O4
Br2 + KOH = KBr + KBrO3 + H2O = =>
3 Br2 + 6 KOH = 5 KBr + KBrO3 + 3 H2O
NaHCO3(s) + CH3COOH(aq) = H2CO3(aq) + CH3COONa(aq) = H2O(l) + CO2(g) + CH3COONa(aq) =>
NaHCO3(s) + CH3COOH(aq) = H2CO3(aq) + CH3COONa(aq)
Al(s) + N2(g) = AlN(s) =>
2 Al(s) + N2(g) = 2 AlN(s)
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
SiO2 + MgCO3 = MgSiO3 + CO2 =>
SiO2 + MgCO3 = MgSiO3 + CO2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
C3H7OH + CH3COH = CH3COOC3H7 + H2O =>
C3H7OH + 6 CH3COH = 3 CH3COOC3H7 + H2O
CrCl3 = Cl + Cr =>
CrCl3 = 3 Cl + Cr
K3(PO4) + MgCl2 = Mg3(PO4)2 + KCl =>
2 K3(PO4) + 3 MgCl2 = Mg3(PO4)2 + 6 KCl
Al + ZnCl2 = Zn + AlCl3 =>
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
C10H12 = C5H6 =>
C10H12 = 2 C5H6
CO2 + H2O = C2H8 + O2 =>
2 CO2 + 4 H2O = C2H8 + 4 O2
KMnO4 + H2C2O4 + HCl = MnCl2 + CO2 + KCl + H2O =>
2 KMnO4 + 5 H2C2O4 + 6 HCl = 2 MnCl2 + 10 CO2 + 2 KCl + 8 H2O
CH3CHCH2 + KMnO4 + H2SO4 = CH3COCH3 + H2O + MnSO4 + K2SO4 =>
5 CH3CHCH2 + 2 KMnO4 + 3 H2SO4 = 5 CH3COCH3 + 3 H2O + 2 MnSO4 + K2SO4
NH3 + L2 = N2L2 + H2 =>
2 NH3 + L2 = N2L2 + 3 H2
KMnO4 + K2S + H2O = MnO2 + K2SO4 + KOH =>
8 KMnO4 + 3 K2S + 4 H2O = 8 MnO2 + 3 K2SO4 + 8 KOH
TM + S = TMS =>
TM + S = TMS
CsBr + I2 = CsI + Br2 =>
2 CsBr + I2 = 2 CsI + Br2
KBr + H3PO4 = HBr + K3PO4 =>
3 KBr + H3PO4 = 3 HBr + K3PO4
CH3Cl + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CO2 + Cl2 + H2O =>
10 CH3Cl + 14 KMnO4 + 21 H2SO4 = 7 K2SO4 + 14 MnSO4 + 10 CO2 + 5 Cl2 + 36 H2O
H + AsO2 = As + H2O =>
4 H + AsO2 = As + 2 H2O
AgNo3(aq) + KCl(aq) = AgCl(aq) + KNo3 =>
AgNo3(aq) + KCl(aq) = AgCl(aq) + KNo3
Fe2O4 + CO = Fe2O3 + CO2 =>
Fe2O4 + CO = Fe2O3 + CO2
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